<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>

        body {
            font-family: "Avenir", "Helvetica Neue", Helvetica, Arial, sans-serif;
            background: #79a8ae;
            color: #666;
            font-size: 16px;
            line-height: 1.5em;
        }

        h1 {
            color: #111;
            margin: 0 0 12px 0;
            font-size: 24px;
            line-height: 1.5em;
        }

        p {
            margin: 0 0 10x 0;
        }

        a {
            color: #888;
            text-decoration: none;
            border-bottom: 1px solid #ccc;
        }

        a:hover {
            border-bottom-color: #888;
        }

        body,
        .overlay {
            -webkit-perspective: 1000;
            -webkit-perspective-origin-y: 25%;
        }

        .body--ready {
            /* Ideas
            background: -webkit-linear-gradient(top, #e2b986 -10%, #241c35 140%);
            background: -webkit-linear-gradient(top, #c97369 -40%, #241c35 130%);
            background: -webkit-linear-gradient(top, #fac4c4 -10%, #606386 140%);
            background: -webkit-linear-gradient(top, #519ab0 0%, #414A6D 110%);
            background: -webkit-linear-gradient(top, rgb(129, 0, 170) 0%, rgb(43, 4, 114) 110%);
            background: -webkit-linear-gradient(top, rgb(163, 235, 189) 0%, rgb(16, 93, 145) 110%);
            background: -webkit-linear-gradient(top, rgb(165, 103, 189) 0%, rgb(75, 233, 214) 120%);
            */

            background: -webkit-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 120%);
            background: -moz-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 120%);
            background: -o-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 120%);
            background: -ms-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 120%);
            background: linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 120%);
        }

        .body--ready .overlay {
            -webkit-transition: -webkit-transform 0.7s cubic-bezier(0.694, 0.0482, 0.335, 1),
            opacity 0.7s cubic-bezier(0.694, 0.0482, 0.335, 1);
            -moz-transition: -moz-transform 0.7s cubic-bezier(0.694, 0.0482, 0.335, 1),
            opacity 0.7s cubic-bezier(0.694, 0.0482, 0.335, 1);
            -ms-transition: -ms-transform 0.7s cubic-bezier(0.694, 0.0482, 0.335, 1),
            opacity 0.7s cubic-bezier(0.694, 0.0482, 0.335, 1);
            -o-transition: -o-transform 0.7s cubic-bezier(0.694, 0.0482, 0.335, 1),
            opacity 0.7s cubic-bezier(0.694, 0.0482, 0.335, 1);
            transition: transform 0.7s cubic-bezier(0.694, 0.0482, 0.335, 1),
            opacity 0.7s cubic-bezier(0.694, 0.0482, 0.335, 1);
        }


        .ui {
            position: absolute;
            left: 50%;
            bottom: 5%;
            width: 300px;
            margin-left: -150px;
        }

        .ui-input {
            width: 100%;
            height: 50px;
            background: none;
            font-size: 24px;
            font-weight: bold;
            color: #fff;
            text-align: center;
            border: none;
            border-bottom: 2px solid white;
        }

        .ui-input:focus {
            outline: none;
            border: none;
            border-bottom: 2px solid white;
        }

        .ui-return {
            display: none;
            position: absolute;
            top: 20px;
            right: 0;
            padding: 3px 2px 0 2px;
            font-size: 10px;
            line-height: 10px;
            color: #fff;
            border: 1px solid #fff;
        }

        .ui--enter .ui-return {
            display: block;
        }

        .ui--wide {
            width: 76%;
            margin-left: 12%;
            left: 0;
        }

        .ui--wide .ui-return {
            right: -20px;
        }

        .help {
            position: absolute;
            top: 40px;
            right: 40px;
            width: 25px;
            height: 25px;
            text-align: center;
            font-size: 13px;
            line-height: 27px;
            font-weight: bold;
            cursor: pointer;
            background: #fff;
            color: #79a8ae;
            opacity: .9;

            -webkit-transition: opacity 0.1s cubic-bezier(0.694, 0.0482, 0.335, 1);
            -moz-transition: opacity 0.1s cubic-bezier(0.694, 0.0482, 0.335, 1);
            -ms-transition: opacity 0.1s cubic-bezier(0.694, 0.0482, 0.335, 1);
            -o-transition: opacity 0.1s cubic-bezier(0.694, 0.0482, 0.335, 1);
            transition: opacity 0.1s cubic-bezier(0.694, 0.0482, 0.335, 1);
        }

        .help:hover {
            opacity: 1;
        }

        .overlay {
            position: absolute;
            top: 50%;
            left: 50%;
            width: 550px;
            height: 490px;
            margin: -260px 0 0 -275px;
            opacity: 0;

            -webkit-transform: rotateY(90deg);
            -moz-transform: rotateY(90deg);
            -ms-transform: rotateY(90deg);
            -o-transform: rotateY(90deg);
            transform: rotateY(90deg);
        }

        .overlay--visible {
            opacity: 1;

            -webkit-transform: rotateY(0);
            -moz-transform: rotateY(0);
            -ms-transform: rotateY(0);
            -o-transform: rotateY(0);
            transform: rotateY(0);
        }

        .ui-share,
        .ui-details {
            opacity: .9;
            background: #fff;
            z-index: 2;
        }

        .ui-details-content,
        .ui-share-content {
            padding: 100px 50px;
        }

        .commands {
            margin: 0;
            padding: 0;
            list-style: none;
            cursor: pointer;
        }

        .commands-item {
            font-size: 12px;
            line-height: 22px;
            font-weight: bold;
            text-transform: uppercase;
            letter-spacing: 1px;
            padding: 20px;
            background: #fff;
            margin-top: 1px;
            color: #333;
            opacity: .9;

            -webkit-transition: -webkit-transform 0.7s cubic-bezier(0.694, 0.0482, 0.335, 1),
            opacity 0.1s cubic-bezier(0.694, 0.0482, 0.335, 1);
            -moz-transition: -moz-transform 0.1s cubic-bezier(0.694, 0.0482, 0.335, 1),
            opacity 0.1s cubic-bezier(0.694, 0.0482, 0.335, 1);
            -ms-transition: -ms-transform 0.1s cubic-bezier(0.694, 0.0482, 0.335, 1),
            opacity 0.1s cubic-bezier(0.694, 0.0482, 0.335, 1);
            -o-transition: -o-transform 0.1s cubic-bezier(0.694, 0.0482, 0.335, 1),
            opacity 0.1s cubic-bezier(0.694, 0.0482, 0.335, 1);
            transition: transform 0.1s cubic-bezier(0.694, 0.0482, 0.335, 1),
            opacity 0.1s cubic-bezier(0.694, 0.0482, 0.335, 1);
        }

        .commands-item--gap {
            margin-top: 9px;
        }

        .commands-item:hover {
            opacity: 1;
        }

        .commands-item:hover .commands-item-action {
            background: #333;
        }

        .commands-item a {
            display: inline-block;
        }

        .commands-item-mode {
            display: inline-block;
            margin-left: 3px;
            font-style: italic;
            color: #ccc;
        }

        .commands-item-title {
            display: inline-block;
            width: 150px;
        }

        .commands-item-info {
            display: inline-block;
            width: 300px;
            font-size: 14px;
            text-transform: none;
            letter-spacing: 0;
            font-weight: normal;
            color: #aaa;
        }

        .commands-item-action {
            display: inline-block;
            float: right;
            margin-top: 3px;
            text-transform: uppercase;
            font-size: 10px;
            line-height: 10px;
            color: #fff;
            background: #90c9d1;
            padding: 5px 10px 4px 10px;
            border-radius: 3px;
        }

        .commands-item:first-child {
            margin-top: 0;
        }

        .twitter-share {
            position: absolute;
            top: 4px;
            right: 20px;
        }


        .tabs-labels {
            margin-bottom: 9px;
        }

        .tabs-label {
            display: inline-block;
            background: #fff;
            padding: 10px 20px;
            font-size: 12px;
            line-height: 22px;
            font-weight: bold;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: #333;
            opacity: .5;
            cursor: pointer;
            margin-right: 2px;

            -webkit-transition: opacity 0.1s cubic-bezier(0.694, 0.0482, 0.335, 1);
            -moz-transition: opacity 0.1s cubic-bezier(0.694, 0.0482, 0.335, 1);
            -ms-transition: opacity 0.1s cubic-bezier(0.694, 0.0482, 0.335, 1);
            -o-transition: opacity 0.1s cubic-bezier(0.694, 0.0482, 0.335, 1);
            transition: opacity 0.1s cubic-bezier(0.694, 0.0482, 0.335, 1);
        }

        .tabs-label:hover {
            opacity: .9;
        }

        .tabs-label--active {
            opacity: .9;
        }

        .tabs-panel {
            display: none;
        }

        .tabs-panel--active {
            display: block;
        }

        .tab-panel {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
        }

        .touch .ui-input {
            display: none;
        }

    </style>
</head>
<body>
<header>
    <div class="container">
        <h1>Direction-aware hover effect</h1>
        <p>CSS &amp; bits of JS</p>
    </div>
</header>

<canvas class="canvas"></canvas>

<div class="help">?</div>

<div class="ui">
    <input class="ui-input" type="text" />
    <span class="ui-return">↵</span>
</div>

<div class="overlay">
    <div class="tabs">
        <div class="tabs-labels"><span class="tabs-label">Commands</span><span class="tabs-label">Info</span><span class="tabs-label">Share</span></div>

        <div class="tabs-panels">
            <ul class="tabs-panel commands">
                <li class="commands-item"><span class="commands-item-title">Text</span><span class="commands-item-info" data-demo="Hello :)">Type anything</span><span class="commands-item-action">Demo</span></li>
                <li class="commands-item"><span class="commands-item-title">Countdown</span><span class="commands-item-info" data-demo="#countdown 10">#countdown<span class="commands-item-mode">number</span></span><span class="commands-item-action">Demo</span></li>
                <li class="commands-item"><span class="commands-item-title">Time</span><span class="commands-item-info" data-demo="#time">#time</span><span class="commands-item-action">Demo</span></li>
                <li class="commands-item"><span class="commands-item-title">Rectangle</span><span class="commands-item-info" data-demo="#rectangle 30x15">#rectangle<span class="commands-item-mode">width x height</span></span><span class="commands-item-action">Demo</span></li>
                <li class="commands-item"><span class="commands-item-title">Circle</span><span class="commands-item-info" data-demo="#circle 25">#circle<span class="commands-item-mode">diameter</span></span><span class="commands-item-action">Demo</span></li>

                <li class="commands-item commands-item--gap"><span class="commands-item-title">Animate</span><span class="commands-item-info" data-demo="The time is|#time|#countdown 3|#icon thumbs-up"><span class="commands-item-mode">command1</span>&nbsp;|<span class="commands-item-mode">command2</span></span><span class="commands-item-action">Demo</span></li>
            </ul>

            <div class="tabs-panel ui-details">
                <div class="ui-details-content">
                    <h1>Shape Shifter</h1>
                    <p>
                        An experiment by <a href="//www.kennethcachia.com" target="_blank">Kenneth Cachia<a/>.<br/>
                        <a href="//fortawesome.github.io/Font-Awesome/#icons-new" target="_blank">Font Awesome</a> is being used to render all #icons.
                    </p>

                    <br/><p>Visit <a href="http://www.kennethcachia.com/shape-shifter/?a=#icon thumbs-up" target="_blank">Shape Shifter</a> to use icons.</p>
                </div>
            </div>

            <div class="tabs-panel ui-share">
                <div class="ui-share-content">
                    <h1>Sharing</h1>
                    <p>Simply add <em>?a=</em> to the current URL to share any static or animated text. Examples:</p>
                    <p>
                        <a href="http://www.kennethcachia.com/shape-shifter?a=Hello" target="_blank">www.kennethcachia.com/shape-shifter?a=Hello</a><br/>
                        <a href="http://www.kennethcachia.com/shape-shifter?a=Hello|#countdown 3" target="_blank">www.kennethcachia.com/shape-shifter?a=Hello|#countdown 3</a>
                    </p>
                </div>
            </div>
        </div>
    </div>
</div>

<script>

    /*

      Shape Shifter
      =============
      A canvas experiment by Kenneth Cachia
      http://www.kennethcachia.com

      Updated code
      ------------
      https://github.com/kennethcachia/Shape-Shifter

    */


    var S = {
        init: function () {
            var action = window.location.href,
                i = action.indexOf('?a=');

            S.Drawing.init('.canvas');
            document.body.classList.add('body--ready');

            if (i !== -1) {
                S.UI.simulate(decodeURI(action).substring(i + 3));
            } else {
                S.UI.simulate('Shape|Shifter|Type|to start|#rectangle|#countdown 3||');
            }

            S.Drawing.loop(function () {
                S.Shape.render();
            });
        }
    };


    S.Drawing = (function () {
        var canvas,
            context,
            renderFn
        requestFrame = window.requestAnimationFrame       ||
            window.webkitRequestAnimationFrame ||
            window.mozRequestAnimationFrame    ||
            window.oRequestAnimationFrame      ||
            window.msRequestAnimationFrame     ||
            function(callback) {
                window.setTimeout(callback, 1000 / 60);
            };

        return {
            init: function (el) {
                canvas = document.querySelector(el);
                context = canvas.getContext('2d');
                this.adjustCanvas();

                window.addEventListener('resize', function (e) {
                    S.Drawing.adjustCanvas();
                });
            },

            loop: function (fn) {
                renderFn = !renderFn ? fn : renderFn;
                this.clearFrame();
                renderFn();
                requestFrame.call(window, this.loop.bind(this));
            },

            adjustCanvas: function () {
                canvas.width = window.innerWidth;
                canvas.height = window.innerHeight;
            },

            clearFrame: function () {
                context.clearRect(0, 0, canvas.width, canvas.height);
            },

            getArea: function () {
                return { w: canvas.width, h: canvas.height };
            },

            drawCircle: function (p, c) {
                context.fillStyle = c.render();
                context.beginPath();
                context.arc(p.x, p.y, p.z, 0, 2 * Math.PI, true);
                context.closePath();
                context.fill();
            }
        }
    }());


    S.UI = (function () {
        var input = document.querySelector('.ui-input'),
            ui = document.querySelector('.ui'),
            help = document.querySelector('.help'),
            commands = document.querySelector('.commands'),
            overlay = document.querySelector('.overlay'),
            canvas = document.querySelector('.canvas'),
            interval,
            isTouch = false, //('ontouchstart' in window || navigator.msMaxTouchPoints),
            currentAction,
            resizeTimer,
            time,
            maxShapeSize = 30,
            firstAction = true,
            sequence = [],
            cmd = '#';

        function formatTime(date) {
            var h = date.getHours(),
                m = date.getMinutes(),
                m = m < 10 ? '0' + m : m;
            return h + ':' + m;
        }

        function getValue(value) {
            return value && value.split(' ')[1];
        }

        function getAction(value) {
            value = value && value.split(' ')[0];
            return value && value[0] === cmd && value.substring(1);
        }

        function timedAction(fn, delay, max, reverse) {
            clearInterval(interval);
            currentAction = reverse ? max : 1;
            fn(currentAction);

            if (!max || (!reverse && currentAction < max) || (reverse && currentAction > 0)) {
                interval = setInterval(function () {
                    currentAction = reverse ? currentAction - 1 : currentAction + 1;
                    fn(currentAction);

                    if ((!reverse && max && currentAction === max) || (reverse && currentAction === 0)) {
                        clearInterval(interval);
                    }
                }, delay);
            }
        }

        function reset(destroy) {
            clearInterval(interval);
            sequence = [];
            time = null;
            destroy && S.Shape.switchShape(S.ShapeBuilder.letter(''));
        }

        function performAction(value) {
            var action,
                value,
                current;

            overlay.classList.remove('overlay--visible');
            sequence = typeof(value) === 'object' ? value : sequence.concat(value.split('|'));
            input.value = '';
            checkInputWidth();

            timedAction(function (index) {
                current = sequence.shift();
                action = getAction(current);
                value = getValue(current);

                switch (action) {
                    case 'countdown':
                        value = parseInt(value) || 10;
                        value = value > 0 ? value : 10;

                        timedAction(function (index) {
                            if (index === 0) {
                                if (sequence.length === 0) {
                                    S.Shape.switchShape(S.ShapeBuilder.letter(''));
                                } else {
                                    performAction(sequence);
                                }
                            } else {
                                S.Shape.switchShape(S.ShapeBuilder.letter(index), true);
                            }
                        }, 1000, value, true);
                        break;

                    case 'rectangle':
                        value = value && value.split('x');
                        value = (value && value.length === 2) ? value : [maxShapeSize, maxShapeSize / 2];

                        S.Shape.switchShape(S.ShapeBuilder.rectangle(Math.min(maxShapeSize, parseInt(value[0])), Math.min(maxShapeSize, parseInt(value[1]))));
                        break;

                    case 'circle':
                        value = parseInt(value) || maxShapeSize;
                        value = Math.min(value, maxShapeSize);
                        S.Shape.switchShape(S.ShapeBuilder.circle(value));
                        break;

                    case 'time':
                        var t = formatTime(new Date());

                        if (sequence.length > 0) {
                            S.Shape.switchShape(S.ShapeBuilder.letter(t));
                        } else {
                            timedAction(function () {
                                t = formatTime(new Date());
                                if (t !== time) {
                                    time = t;
                                    S.Shape.switchShape(S.ShapeBuilder.letter(time));
                                }
                            }, 1000);
                        }
                        break;

                    default:
                        S.Shape.switchShape(S.ShapeBuilder.letter(current[0] === cmd ? 'What?' : current));
                }
            }, 2000, sequence.length);
        }

        function checkInputWidth(e) {
            if (input.value.length > 18) {
                ui.classList.add('ui--wide');
            } else {
                ui.classList.remove('ui--wide');
            }

            if (firstAction && input.value.length > 0) {
                ui.classList.add('ui--enter');
            } else {
                ui.classList.remove('ui--enter');
            }
        }

        function bindEvents() {
            document.body.addEventListener('keydown', function (e) {
                input.focus();

                if (e.keyCode === 13) {
                    firstAction = false;
                    reset();
                    performAction(input.value);
                }
            });

            input.addEventListener('input', checkInputWidth);
            input.addEventListener('change', checkInputWidth);
            input.addEventListener('focus', checkInputWidth);

            help.addEventListener('click', function (e) {
                overlay.classList.toggle('overlay--visible');
                overlay.classList.contains('overlay--visible') && reset(true);
            });

            commands.addEventListener('click', function (e) {
                var el,
                    info,
                    demo,
                    tab,
                    active,
                    url;

                if (e.target.classList.contains('commands-item')) {
                    el = e.target;
                } else {
                    el = e.target.parentNode.classList.contains('commands-item') ? e.target.parentNode : e.target.parentNode.parentNode;
                }

                info = el && el.querySelector('.commands-item-info');
                demo = el && info.getAttribute('data-demo');
                url = el && info.getAttribute('data-url');

                if (info) {
                    overlay.classList.remove('overlay--visible');

                    if (demo) {
                        input.value = demo;

                        if (isTouch) {
                            reset();
                            performAction(input.value);
                        } else {
                            input.focus();
                        }
                    } else if (url) {
                        //window.location = url;
                    }
                }
            });

            canvas.addEventListener('click', function (e) {
                overlay.classList.remove('overlay--visible');
            });
        }

        function init() {
            bindEvents();
            input.focus();
            isTouch && document.body.classList.add('touch');
        }

        // Init
        init();

        return {
            simulate: function (action) {
                performAction(action);
            }
        }
    }());


    S.UI.Tabs = (function () {
        var tabs = document.querySelector('.tabs'),
            labels = document.querySelector('.tabs-labels'),
            triggers = document.querySelectorAll('.tabs-label'),
            panels = document.querySelectorAll('.tabs-panel');

        function activate(i) {
            triggers[i].classList.add('tabs-label--active');
            panels[i].classList.add('tabs-panel--active');
        }

        function bindEvents() {
            labels.addEventListener('click', function (e) {
                var el = e.target,
                    index;

                if (el.classList.contains('tabs-label')) {
                    for (var t = 0; t < triggers.length; t++) {
                        triggers[t].classList.remove('tabs-label--active');
                        panels[t].classList.remove('tabs-panel--active');

                        if (el === triggers[t]) {
                            index = t;
                        }
                    }

                    activate(index);
                }
            });
        }

        function init() {
            activate(0);
            bindEvents();
        }

        // Init
        init();
    }());


    S.Point = function (args) {
        this.x = args.x;
        this.y = args.y;
        this.z = args.z;
        this.a = args.a;
        this.h = args.h;
    };


    S.Color = function (r, g, b, a) {
        this.r = r;
        this.g = g;
        this.b = b;
        this.a = a;
    };

    S.Color.prototype = {
        render: function () {
            return 'rgba(' + this.r + ',' +  + this.g + ',' + this.b + ',' + this.a + ')';
        }
    };


    S.Dot = function (x, y) {
        this.p = new S.Point({
            x: x,
            y: y,
            z: 5,
            a: 1,
            h: 0
        });

        this.e = 0.07;
        this.s = true;

        this.c = new S.Color(255, 255, 255, this.p.a);

        this.t = this.clone();
        this.q = [];
    };

    S.Dot.prototype = {
        clone: function () {
            return new S.Point({
                x: this.x,
                y: this.y,
                z: this.z,
                a: this.a,
                h: this.h
            });
        },

        _draw: function () {
            this.c.a = this.p.a;
            S.Drawing.drawCircle(this.p, this.c);
        },

        _moveTowards: function (n) {
            var details = this.distanceTo(n, true),
                dx = details[0],
                dy = details[1],
                d = details[2],
                e = this.e * d;

            if (this.p.h === -1) {
                this.p.x = n.x;
                this.p.y = n.y;
                return true;
            }

            if (d > 1) {
                this.p.x -= ((dx / d) * e);
                this.p.y -= ((dy / d) * e);
            } else {
                if (this.p.h > 0) {
                    this.p.h--;
                } else {
                    return true;
                }
            }

            return false;
        },

        _update: function () {
            if (this._moveTowards(this.t)) {
                var p = this.q.shift();

                if (p) {
                    this.t.x = p.x || this.p.x;
                    this.t.y = p.y || this.p.y;
                    this.t.z = p.z || this.p.z;
                    this.t.a = p.a || this.p.a;
                    this.p.h = p.h || 0;
                } else {
                    if (this.s) {
                        this.p.x -= Math.sin(Math.random() * 3.142);
                        this.p.y -= Math.sin(Math.random() * 3.142);
                    } else {
                        this.move(new S.Point({
                            x: this.p.x + (Math.random() * 50) - 25,
                            y: this.p.y + (Math.random() * 50) - 25,
                        }));
                    }
                }
            }

            d = this.p.a - this.t.a;
            this.p.a = Math.max(0.1, this.p.a - (d * 0.05));
            d = this.p.z - this.t.z;
            this.p.z = Math.max(1, this.p.z - (d * 0.05));
        },

        distanceTo: function (n, details) {
            var dx = this.p.x - n.x,
                dy = this.p.y - n.y,
                d = Math.sqrt(dx * dx + dy * dy);

            return details ? [dx, dy, d] : d;
        },

        move: function (p, avoidStatic) {
            if (!avoidStatic || (avoidStatic && this.distanceTo(p) > 1)) {
                this.q.push(p);
            }
        },

        render: function () {
            this._update();
            this._draw();
        }
    }


    S.ShapeBuilder = (function () {
        var gap = 13,
            shapeCanvas = document.createElement('canvas'),
            shapeContext = shapeCanvas.getContext('2d'),
            fontSize = 500,
            fontFamily = 'Avenir, Helvetica Neue, Helvetica, Arial, sans-serif';

        function fit() {
            shapeCanvas.width = Math.floor(window.innerWidth / gap) * gap;
            shapeCanvas.height = Math.floor(window.innerHeight / gap) * gap;
            shapeContext.fillStyle = 'red';
            shapeContext.textBaseline = 'middle';
            shapeContext.textAlign = 'center';
        }

        function processCanvas() {
            var pixels = shapeContext.getImageData(0, 0, shapeCanvas.width, shapeCanvas.height).data;
            dots = [],
                pixels,
                x = 0,
                y = 0,
                fx = shapeCanvas.width,
                fy = shapeCanvas.height,
                w = 0,
                h = 0;

            for (var p = 0; p < pixels.length; p += (4 * gap)) {
                if (pixels[p + 3] > 0) {
                    dots.push(new S.Point({
                        x: x,
                        y: y
                    }));

                    w = x > w ? x : w;
                    h = y > h ? y : h;
                    fx = x < fx ? x : fx;
                    fy = y < fy ? y : fy;
                }

                x += gap;

                if (x >= shapeCanvas.width) {
                    x = 0;
                    y += gap;
                    p += gap * 4 * shapeCanvas.width;
                }
            }

            return { dots: dots, w: w + fx, h: h + fy };
        }

        function setFontSize(s) {
            shapeContext.font = 'bold ' + s + 'px ' + fontFamily;
        }

        function isNumber(n) {
            return !isNaN(parseFloat(n)) && isFinite(n);
        }

        function init() {
            fit();
            window.addEventListener('resize', fit);
        }

        // Init
        init();

        return {
            imageFile: function (url, callback) {
                var image = new Image(),
                    a = S.Drawing.getArea();

                image.onload = function () {
                    shapeContext.clearRect(0, 0, shapeCanvas.width, shapeCanvas.height);
                    shapeContext.drawImage(this, 0, 0, a.h * 0.6, a.h * 0.6);
                    callback(processCanvas());
                };

                image.onerror = function () {
                    callback(S.ShapeBuilder.letter('What?'));
                }

                image.src = url;
            },

            circle: function (d) {
                var r = Math.max(0, d) / 2;
                shapeContext.clearRect(0, 0, shapeCanvas.width, shapeCanvas.height);
                shapeContext.beginPath();
                shapeContext.arc(r * gap, r * gap, r * gap, 0, 2 * Math.PI, false);
                shapeContext.fill();
                shapeContext.closePath();

                return processCanvas();
            },

            letter: function (l) {
                var s = 0;

                setFontSize(fontSize);
                s = Math.min(fontSize,
                    (shapeCanvas.width / shapeContext.measureText(l).width) * 0.8 * fontSize,
                    (shapeCanvas.height / fontSize) * (isNumber(l) ? 1 : 0.45) * fontSize);
                setFontSize(s);

                shapeContext.clearRect(0, 0, shapeCanvas.width, shapeCanvas.height);
                shapeContext.fillText(l, shapeCanvas.width / 2, shapeCanvas.height / 2);

                return processCanvas();
            },

            rectangle: function (w, h) {
                var dots = [],
                    width = gap * w,
                    height = gap * h;

                for (var y = 0; y < height; y += gap) {
                    for (var x = 0; x < width; x += gap) {
                        dots.push(new S.Point({
                            x: x,
                            y: y,
                        }));
                    }
                }

                return { dots: dots, w: width, h: height };
            }
        };
    }());


    S.Shape = (function () {
        var dots = [],
            width = 0,
            height = 0,
            cx = 0,
            cy = 0;

        function compensate() {
            var a = S.Drawing.getArea();

            cx = a.w / 2 - width / 2;
            cy = a.h / 2 - height / 2;
        }

        return {
            shuffleIdle: function () {
                var a = S.Drawing.getArea();

                for (var d = 0; d < dots.length; d++) {
                    if (!dots[d].s) {
                        dots[d].move({
                            x: Math.random() * a.w,
                            y: Math.random() * a.h
                        });
                    }
                }
            },

            switchShape: function (n, fast) {
                var size,
                    a = S.Drawing.getArea();

                width = n.w;
                height = n.h;

                compensate();

                if (n.dots.length > dots.length) {
                    size = n.dots.length - dots.length;
                    for (var d = 1; d <= size; d++) {
                        dots.push(new S.Dot(a.w / 2, a.h / 2));
                    }
                }

                var d = 0,
                    i = 0;

                while (n.dots.length > 0) {
                    i = Math.floor(Math.random() * n.dots.length);
                    dots[d].e = fast ? 0.25 : (dots[d].s ? 0.14 : 0.11);

                    if (dots[d].s) {
                        dots[d].move(new S.Point({
                            z: Math.random() * 20 + 10,
                            a: Math.random(),
                            h: 18
                        }));
                    } else {
                        dots[d].move(new S.Point({
                            z: Math.random() * 5 + 5,
                            h: fast ? 18 : 30
                        }));
                    }

                    dots[d].s = true;
                    dots[d].move(new S.Point({
                        x: n.dots[i].x + cx,
                        y: n.dots[i].y + cy,
                        a: 1,
                        z: 5,
                        h: 0
                    }));

                    n.dots = n.dots.slice(0, i).concat(n.dots.slice(i + 1));
                    d++;
                }

                for (var i = d; i < dots.length; i++) {
                    if (dots[i].s) {
                        dots[i].move(new S.Point({
                            z: Math.random() * 20 + 10,
                            a: Math.random(),
                            h: 20
                        }));

                        dots[i].s = false;
                        dots[i].e = 0.04;
                        dots[i].move(new S.Point({
                            x: Math.random() * a.w,
                            y: Math.random() * a.h,
                            a: 0.3, //.4
                            z: Math.random() * 4,
                            h: 0
                        }));
                    }
                }
            },

            render: function () {
                for (var d = 0; d < dots.length; d++) {
                    dots[d].render();
                }
            }
        }
    }());


    S.init();

</script>
</body>
</html>